01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package com.sun.midp.midlet;
28:
29: /**
30: * This class is here for the for JSR code that
31: * has not been updated to use the <code>MIDletStateHandler</code>
32: * for security checks.
33: *
34: * The functionality of the Scheduler was moved to the
35: * {@link MIDletStateHandler}
36: */
37:
38: public class Scheduler {
39: /** The manager of all MIDlets. */
40: private static Scheduler scheduler;
41:
42: /** The event handler of all MIDlets in an Isolate. */
43: private static MIDletStateHandler midletStateHandler;
44:
45: /**
46: * Construct a new Scheduler object.
47: */
48: private Scheduler() {
49: }
50:
51: /**
52: * Get the Scheduler for performing security checks.
53: *
54: * @return the MIDlet management software scheduler
55: */
56: public static synchronized Scheduler getScheduler() {
57: /*
58: * If not scheduler has been created, create one now.
59: */
60: if (scheduler == null) {
61: /* This is the default scheduler class */
62: midletStateHandler = MIDletStateHandler
63: .getMidletStateHandler();
64: scheduler = new Scheduler();
65: }
66:
67: return scheduler;
68: }
69:
70: /**
71: * Provides objects with a mechanism to retrieve
72: * <code>MIDletSuite</code> being scheduled.
73: *
74: * @return MIDletSuite being scheduled
75: */
76: public MIDletSuite getMIDletSuite() {
77: return midletStateHandler.getMIDletSuite();
78: }
79: }
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